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| hairpin dune (向下风面移动的大抛物线沙丘，丘角彼此平行延伸，形成于风与植被发生冲突的地方和吹括恒定风向强风的地方); U-shaped dune (即抛物线沙丘，此 "U"形面与新月形沙丘相反、有的是在风蚀坑的发展中形成的) | |||
| U-shaped dune; upsiloidal dune | |||
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| chevron dune; V-shape dune (抛物线沙丘) | |||
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| sigmoidal dune (指在风速大致相等的反向风作用下形成的一种弯曲沙丘，坡陡、丘脊尖峭) | |||
| 形沙丘: 176 phrases in 11 subjects |
| Arabic language | 11 |
| Desert science | 133 |
| Engineering geology | 2 |
| French | 1 |
| General | 3 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 11 |
| Space | 1 |
| Technology | 7 |
| Turk | 4 |
| Wind Energy | 2 |